While most synagogues have a [[Rabbi]] and a [[Cantor]], services can be, and often are, led by lay adults. Men are expected to cover their heads when in a synagogue as a sign of respect. In [[Orthodox Judaism|Orthodox]] synagogues, men and women are seated separately. | While most synagogues have a [[Rabbi]] and a [[Cantor]], services can be, and often are, led by lay adults. Men are expected to cover their heads when in a synagogue as a sign of respect. In [[Orthodox Judaism|Orthodox]] synagogues, men and women are seated separately. |